CO 1023/101 Hong Kong: Kuomintang activities, 1952-53, “Extract from Hong Kong Police Special Branch Summary for Dec 1953, p.13.
CO 873/279 Halley's comet, reactions to, 1910
CO 537/2657 – M.I.2: Military situation in South China, 1948
CO 1054/52 Ethnic map of People's Republic of China, 1959